package com.heima.behavior.service.impl;

import com.heima.behavior.service.ApArticleBehaviorService;
import com.heima.behavior.service.ApBehaviorEntryService;
import com.heima.common.constants.user.UserRelationConstants;
import com.heima.common.exception.CustException;
import com.heima.model.behavior.dtos.ArticleBehaviorDTO;
import com.heima.model.behavior.pojos.ApBehaviorEntry;
import com.heima.model.behavior.pojos.ApCollection;
import com.heima.model.behavior.pojos.ApLikesBehavior;
import com.heima.model.behavior.pojos.ApUnlikesBehavior;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.threadlocal.AppThreadLocalUtils;
import com.heima.model.user.pojo.ApUser;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;

import java.util.HashMap;
import java.util.Map;

@Service
@Slf4j
public class ApArticleBehaviorServiceImpl implements ApArticleBehaviorService {

    @Autowired
    ApBehaviorEntryService apBehaviorEntryService;
    @Autowired
    RedisTemplate<String,String> redisTemplate;
    @Autowired
     MongoTemplate mongoTemplate;



    @Override
    public ResponseResult loadArticleBehavior(ArticleBehaviorDTO dto) {
        //1. 判断用户是否登录
        ApUser user = AppThreadLocalUtils.getUser();
        if (user == null) {
            CustException.cust(AppHttpCodeEnum.NEED_LOGIN);
        }
        //2. 未登录 直接将 4种行为 均返回false
        boolean isfollow = false, islike = false, isunlike = false, iscollection = false;
        //3. 如果登录
        //4. 查询行为实体
        ApBehaviorEntry apBehaviorEntry = apBehaviorEntryService.findByUserIdOrEquipmentId(user.getId(), dto.getEquipmentId());
        if (apBehaviorEntry == null) {
            CustException.cust(AppHttpCodeEnum.DATA_NOT_EXIST, "获取信息失败");
        }
        Query query = Query.query(Criteria.where("entryId").is(apBehaviorEntry.getId()).and("articleId").is(dto.getArticleId()));
        //5. 根据行为实体 文章ID查询 是否点赞
        ApLikesBehavior likesBehavior = mongoTemplate.findOne(query, ApLikesBehavior.class);
        if (likesBehavior != null) {
            islike = true;
        }
        //6. 根据行为实体 文章ID查询 是否不喜欢
        ApUnlikesBehavior unlikesBehavior = mongoTemplate.findOne(query, ApUnlikesBehavior.class);
        if (unlikesBehavior != null) {
            isunlike = true;
        }
        //7. 根据行为实体 文章ID查询 是否收藏
        ApCollection apCollection = mongoTemplate.findOne(query, ApCollection.class);
        if (apCollection != null) {
            iscollection = true;
        }
        //8. 更具登录用户id 去redis中查询是否关注该作者
        Double score = redisTemplate.opsForZSet().score(UserRelationConstants.FOLLOW_LIST + user.getId(), dto.getAuthorApUserId().toString());
        if (score != null) {
            isfollow = true;
        }
        //9. 封装结果 返回
        Map<String,Object> map = new HashMap<>();
        map.put("islike",islike);
        map.put("isfollow",isfollow);
        map.put("isunlike",isunlike);
        map.put("iscollection",iscollection);
        return ResponseResult.okResult(map);
    }
}
